Mario Draghi, president of the European Central Bank (ECB), speaks during a Basel III capital rules news conference at the ECB headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk...More

Mario Draghi, president of the European Central Bank (ECB), speaks during a Basel...Mario Draghi, president of the European Central Bank (ECB), speaks during a Basel III capital rules news conference at the ECB headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk markets may be the hardest hit by new capital rules that global regulators are expected to complete this week after a year-long deadlock. Photographer: Alex Kraus/Bloomberg via Getty ImagesLessMore

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, pauses during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany,...More

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel...Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, pauses during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk markets may be the hardest hit by new capital rules that global regulators are expected to complete this week after a year-long deadlock. Photographer: Alex Kraus/Bloomberg via Getty ImagesLessMore

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, reacts during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany,...More

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel...Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, reacts during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk markets may be the hardest hit by new capital rules that global regulators are expected to complete this week after a year-long deadlock. Photographer: Alex Kraus/Bloomberg via Getty ImagesLessMore

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, speaks during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany,...More

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel...Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, speaks during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk markets may be the hardest hit by new capital rules that global regulators are expected to complete this week after a year-long deadlock. Photographer: Alex Kraus/Bloomberg via Getty ImagesLessMore

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, speaks during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany,...More

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel...Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, speaks during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk markets may be the hardest hit by new capital rules that global regulators are expected to complete this week after a year-long deadlock. Photographer: Alex Kraus/Bloomberg via Getty ImagesLessMore

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, speaks during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany,...More

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel...Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, speaks during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk markets may be the hardest hit by new capital rules that global regulators are expected to complete this week after a year-long deadlock. Photographer: Alex Kraus/Bloomberg via Getty ImagesLessMore

Mario Draghi, president of the European Central Bank (ECB), left, shakes hands with William Coen, secretary general of the Basel Committee, center, as Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel...More

Mario Draghi, president of the European Central Bank (ECB), left, shakes hands with...Mario Draghi, president of the European Central Bank (ECB), left, shakes hands with William Coen, secretary general of the Basel Committee, center, as Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, reacts at the end of a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk markets may be the hardest hit by new capital rules that global regulators are expected to complete this week after a year-long deadlock. Photographer: Alex Kraus/Bloomberg via Getty ImagesLessMore

Mario Draghi, president of the European Central Bank (ECB), left, shakes hands with Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, at the end of a Basel III capital rules news conference at the...More

Mario Draghi, president of the European Central Bank (ECB), left, shakes hands with...Mario Draghi, president of the European Central Bank (ECB), left, shakes hands with Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, at the end of a Basel III capital rules news conference at the ECB headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk markets may be the hardest hit by new capital rules that global regulators are expected to complete this week after a year-long deadlock. Photographer: Alex Kraus/Bloomberg via Getty ImagesLessMore

Mario Draghi, president of the European Central Bank (ECB), departs a Basel III...Mario Draghi, president of the European Central Bank (ECB), departs a Basel III capital rules news conference at the ECB headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk markets may be the hardest hit by new capital rules that global regulators are expected to complete this week after a year-long deadlock. Photographer: Alex Kraus/Bloomberg via Getty ImagesLessMore

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, pauses during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany,...More

Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel...Stefan Ingves, governor of the Sveriges Riksbank and chairman of the Basel Committee, pauses during an interview following a Basel III capital rules news conference at the European Central Bank (ECB) headquarters in Frankfurt, Germany, on Thursday, Dec. 7, 2017. Big European mortgage lenders in low-risk markets may be the hardest hit by new capital rules that global regulators are expected to complete this week after a year-long deadlock. Photographer: Alex Kraus/Bloomberg via Getty ImagesLessMore